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Effluent Treatment at the Pasminco Clarksville Zinc PlantBy S. Subhawong
Following the startup of the zinc plant in Clarksville, Tennessee, in 1978, the original effluent treatment plant did not perform as designed. The sludge, produced in a conventional lime neutralizatio
Jan 1, 2000
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Cellhouse VentilationBy J. de Visser, J. A. Davis
Since the mid 1970's, development of zinc electrowinning (EW) facilities has out-paced its counterparts in the copper and nickel electrowinning industries in the design of efficient, compact, and auto
Jan 1, 2000
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Developments In Manganese Ferroalloy Research And Production In The Last 25 YearsBy Merete Tangstad, Ragnar Tronstad
Ferromanganese production in electrical furnaces is quite an old process. However, as the furnaces are getting bigger, the requirements of cost, yield, product quality, emissions and security are rais
Jan 1, 2014
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Inductively Coupled Plasma Diamond Film DepositionBy P. R. Taylor
Diamond films have been successfully formed in an inductively coupled plasma (ICP) chemical vapor deposition (CVD) system from several gas mixtures: CH,-H,, C2112-112, and C2112-112-02' Our previ
Jan 1, 1995
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Copper Production With Outokumpu Flash Smelting: An UpdateBy Ilkka V. Kojo
This paper gives an overview of the primary copper smelting business during the years of flash Smelting in the light of various projects taking into account the sustainability of copper production. Al
Jan 1, 2006
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Phosphorus Distribution Between Metal And Slag Phases Pertinent To Ferromanganese SmeltingBy Habib Saridikmen
In this experimental study the effects of slag composition on the phosphide capacities of the slag as well as on the phosphorus distribution ratios between the slag and metal phases encountered in fer
Jan 1, 2006
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Fused Salt Electrorefining Of Bismuth Alloys Using A Recessed Channel CellBy F. Tailoka
In order to decrease the voltage required for electrorefining, a recessed electrode cell has been developed in which the anode and cathode have recesses machined into their faces. The anode and cathod
Jan 1, 1995
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Flexural Mechanical Characterization of Polyester Composites Reinforced with Continuous Banana FibersBy Jean Igor Margem, Rômulo Loiola, Sergio N. Monteiro, Foluke S. de Assis, Frederico M. Margem
"Fibers extracted from the ramie plant have been traditionally used in textile and are now being considered as polymeric composite reinforcement owing to their superior strength. Recently the mechanic
Jan 1, 2013
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E-Waste Recycling in Latin America: Overview, Challenges and PotentialBy Heinz Boeni, Daniel Ott, Uca Silva
"Latin America is facing a rapid increase in internet use. Penetration with electronic equipment is in some countries approaching the level of industrialized countries. There is an evident need to res
Jan 1, 2008
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The Alkaline Sulfide Hydrometallurgical Separation, Recovery and Fixation of Tin, Arsenic, Antimony, Mercury and Gold (48446b1a-e31a-44df-b404-c11c1d1a7eea)By C. G. Anderson, L. G. Twidwell
"Throughout the world, there are many orebodies or materials which have significant value but also contain arsenic, antimony, and mercury. As regulations on the transport, exposure, disposition and em
Jan 1, 2008
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Adsorptions of Copper from Aqueous Solutions by Modified Orange Peel BiosorbentBy Feng Ningchuan, Guo Xueyi, Tian qinghua, Liang Sha
"In this study, copper adsorption by orange peel which was chemically treated with sodium hydroxide was investigated. The morphological and chemical characteristics of the adsorbent were evaluated by
Jan 1, 2008
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Recent Innovations and Outline of Development of Chagres SmelterBy Marcelo Jimenez Bustos
The Chagres Smelter was the first in Chile to follow environmental regulations to control sulfur dioxide emissions. Because of this, the operation and development plans have had to incorporate environ
Jan 1, 1993
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Investigation on a Microwave High-Temperature Air Heat ExchangerBy Lijun Liu, Yingwei Li, Jianhua Liu, Jinhui Peng
"As essential equipment in the metallurgical industry, current air heat exchangers cannot meet the requirements of high temperature heat transfer. In this paper, an energy efficient air heat exchanger
Jan 1, 2011
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Preparation Of Solar Grade Silicon Precursor By Silicon Dioxide Electrolysis In Molten SaltsBy Bingliang Gao, Junli Xu, Michal Korenko, Jinzhao Guan, Liangxing Li, Zhongning Shi, Zhaowen Wang, Aimin Liu
Al-Si alloy, a precursor of solar grade silicon, was prepared by direct electrolysis in cryolite molten salt at 950 oC using high purity silica as material, liquid aluminum as the cathode and high pur
Jan 1, 2015
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Microwave Sintering, Brazing And Melting Of Metallic MaterialsBy Dinesh Agrawal
Microwave energy has been in use for variety of applications for over 50 years. These applications include communication, food processing, wood drying, rubber vulcanization, medical therapy, polymers,
Jan 1, 2006
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A Chlorination Process Applied To The Recovery Of Alumina And SiC Reinforcement From Aluminum-Matrix CompositesBy Ana E. Bohé
Chlorination process is an attractive and efficient method for the metal recovery from complex materials. The process that is performed at high temperatures, allows converting all the metals contained
Jan 1, 2006
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Antibacterial Evaluation Of Carbon-Ceramic CompositesBy Osamu Yamamoto
In antibacterial evaluation of carbon-ceramic composites, we prepared two type composites with emphasis on carbon-ZnO system; one was porous carbon materials containing ZnO nano-particles and another
Jan 1, 2006
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Nitrogen Gas Reactions With Molten Aluminum And Aluminum AlloysBy Joel F. Flurnerfelt
Molten Al and Al alloys containing si, Mn, Ti, and y have been lanced with nitrogen-bearing gases. These lancing experiments provided the means for observing what phases form during exposure to nitrog
Jan 1, 1996
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Reduction Behaviour Of Chromite In The Presence Of A Hydrocarbon GasBy Maria de Campos
The pre-reduction behaviour of chromite particles in methane-argon and methane-hydrogen gas mixtures was investigated between 1050°C and 1250°C. Loose bed of chromite particles were reacted in a vert
Jan 1, 2006
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Oxyfuel – Energy Efficient MeltingBy Thomas Niehoff, Dave Stoffel
"Energy in the form of natural gas, oil and electricity is expensive and will continue to be a rare resource in the future. Recycling of metals, instead of primary production, is a logical and crucial
Jan 1, 2009